Experimental and numerical investigation of flow under radial gates

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2021-8-10

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Tanyeri, Mahmut

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Radial gates are commonly used in spillways. At partial gate openings empirical equations, which were obtained from experimental work conducted in 60’s, are used to calculate the discharge passing through. However, there are some discrepancies between the discharge values obtained from these equations and the ones from numerical calculations based on finite volume method and hydraulic models. It is aimed to put forward the source of these differences. For this purpose, experiments and numerical calculations were conducted for different gate configurations. By making use of the trends emerging from numerous numerical simulations, a novel discharge equation was derived at the end of the study. The proposed equation, which has one hydraulic and two geometric parameters, will allow designers to calculate the discharge easily without need of any tedious rating curves.

Subject Keywords

Radial gate, Spillway, Empirical equations, Discharge coefficient, Discharge rating curve

URI

https://hdl.handle.net/11511/91704

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Graduate School of Natural and Applied Sciences, Thesis

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Citation Formats

M. Tanyeri, “Experimental and numerical investigation of flow under radial gates,” M.S. - Master of Science, Middle East Technical University, 2021.